ARAnglerRadar evidence & rules

Compare river fishing evidence · England

Same facts.
No winner score.

Choose two named waters and compare the evidence that actually exists. Survey effort, species records and freshness are shown separately because none proves access, current presence or fishing quality.

Devon and Cornwall and the Isles of Scilly

Main Cardinham

Survey sites
6
Survey events
94
Recorded taxa
15
Evidence period
12 Aug 1977 – 11 Sept 2025
Sites latest within 2 years
1
Sites latest over 10 years ago
2
EA waterbody IDs
GB108048001420 · GB108048001450
Access status
Not established by survey data
Thames

River Kennet

Survey sites
56
Survey events
264
Recorded taxa
31
Evidence period
28 Sept 1999 – 14 Oct 2025
Sites latest within 2 years
16
Sites latest over 10 years ago
31
EA waterbody IDs
GB106039017420 · GB106039023120 · GB106039023140 · GB106039023172
Access status
Not established by survey data

Overlap

7 recorded taxa appear in both survey sets

The site counts are shown per water. A higher count can reflect more monitoring sites, not a larger or healthier population.

  1. Brown / sea troutMain Cardinham 6River Kennet 47Latest evidence 11 Sept 2025 · 14 Oct 2025
  2. Atlantic salmonMain Cardinham 6River Kennet 14Latest evidence 11 Sept 2025 · 25 Oct 2010
  3. BullheadMain Cardinham 6River Kennet 11Latest evidence 11 Sept 2025 · 14 Oct 2025
  4. European eelMain Cardinham 6River Kennet 9Latest evidence 7 Jul 2009 · 8 Nov 2013
  5. European eels > elversMain Cardinham 6River Kennet 5Latest evidence 8 Aug 2024 · 10 Oct 2025
  6. Brook lampreyMain Cardinham 1River Kennet 7Latest evidence 10 Aug 2010 · 14 Oct 2025
  7. Brook lamprey > ammocoeteMain Cardinham 1River Kennet 1Latest evidence 18 Sept 2018 · 6 Oct 2023

Only in the Main Cardinham survey set

  1. Lampetra sp.5 sites · latest 8 Aug 2006
  2. Lamprey sp. > ammocoete3 sites · latest 4 Aug 2000
  3. Lamprey sp. ammocoetes3 sites · latest 26 Jun 2012
  4. Brook lamprey ammocoetes2 sites · latest 21 Aug 2024
  5. European elvers2 sites · latest 10 Sept 1997
  6. Lampetra sp. ammocoetes2 sites · latest 24 Aug 1998
  7. Lampetra sp. > ammocoete1 site · latest 12 Jun 1979
  8. Salmonid species1 site · latest 12 Apr 1978

Only in the River Kennet survey set

  1. Pike47 sites · latest 9 Oct 2025
  2. Chub41 sites · latest 9 Oct 2025
  3. Dace41 sites · latest 9 Oct 2025
  4. Perch38 sites · latest 9 Oct 2025
  5. Roach36 sites · latest 8 Oct 2025
  6. Gudgeon31 sites · latest 1 Oct 2025
  7. Bleak27 sites · latest 25 Sept 2025
  8. Barbel22 sites · latest 25 Sept 2025
  9. Grayling21 sites · latest 9 Oct 2025
  10. Common bream19 sites · latest 25 Sept 2025
  11. Tench13 sites · latest 13 Nov 2024
  12. Roach x common bream hybrid12 sites · latest 25 Oct 2018
  13. Minnow11 sites · latest 14 Oct 2025
  14. Ruffe9 sites · latest 5 Nov 2022
  15. Rainbow trout8 sites · latest 8 Oct 2024
  16. Stone loach8 sites · latest 8 Oct 2025
  17. Common [wild] carp5 sites · latest 24 Oct 2018
  18. Pike varieties5 sites · latest 1 Oct 2025
  19. 3-spined stickleback4 sites · latest 14 Oct 2025
  20. Mirror carp4 sites · latest 4 Nov 2008
  21. Common carp varieties3 sites · latest 22 Oct 2015
  22. Rudd3 sites · latest 4 Nov 2022
  23. Silver bream3 sites · latest 4 Nov 2022
  24. Golden goldfish1 site · latest 12 Nov 2009

Method and boundary

Comparison, not prediction.

  • SourceEnvironment Agency Ecology & Fish Data
  • LicenceOpen Government Licence v3.0
  • Source copy retrieved23 Jul 2026
  • CoordinatesNot published on this page
  • Not assertedAccess, current presence, abundance, catch prospects or safety
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